PHP code example of semelapavel / php-util

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

semelapavel / php-util example snippets

$classLoader = new \SemelaPavel\Object\ClassLoader();
$classLoader->addNamespace('MyNamespace', '/src/myApp');
$classLoader->addDirectory('/src/other');
$classLoader->register();

$byte = new Byte(1024);
echo $byte;                      // 1024
echo $byte->floatValue('KB');    // 1
echo $byte->floatValue('MB', 5); // 0,00098

$byte = Byte::from(2.5, 'MB'); // 2621440

$byte = Byte::fromPhpIniNotation(ini_get('upload_max_filesize'));

$byte = Byte::parse('8');     // 8
$byte = Byte::parse('16B');   // 16
$byte = Byte::parse('1 KiB'); // 1024
$byte = Byte::parse('0,5MB'); // 524288

$file = new File('file.txt');
echo $file->getMimeType();       // 'text/plain'
$content = $file->getContents(); // Reads the file and returns its contents as a string.

$file->hasValidName(); // Returns true in this example.

File::isValidFileName('file.txt/'); // false

File::rtrimFileName('file.txt/'); // Returns 'file.txt' in this example.

$filter = new FileFilter();
$filter->setFileNameWhiteList(['*.jpg', '*.png', '*.gif']);
$filter->setFileNameBlackList(['*.php.*']);
$filter->setFileNameRegex(new \SemelaPavel\String\RegexPattern('^[^0-9]*$'));
$filter->setFileSize('>1 KB < 1 MB');
$filter->setMTime('>= 2021-01-01 < 2021-01-02 12:00');

$filter->fileNameMatch('image.jpg')        // true
$filter->compareFileSize(4096);            // true
$filter->compareMTime('2021-01-01 13:37'); // true

$upload = new FileUpload();
$files = $upload->getUploadedFiles();

if ($files['file']) {
    $files['file']->move(dirname(__DIR__) . '/upload/', 'newFile.txt'); // move the file with rename
}

if ($files['filesArray'][0]) {
    $files['filesArray'][0]->move(dirname(__DIR__) . '/upload/');
}

$paginator = new Paginator(100, 5, 5);

$paginator->getCurrentPage();       // 5
$paginator->getNumOfPages();        // 20
$paginator->getCurrentPageLength(); // 5 = number of page items
$paginator->getOffset();            // 20 = current page contains items nr. 21-25
$paginator->getFirstPage();         // 1
$paginator->getLastPage();          // 20 
$paginator->isFirst();              // false 
$paginator->isLast();               // false
$paginator->getNextPage();          // 6
$paginator->getPrevPage();          // 4

$pagination = new Pagination(100, 5, 5);
$pages = $pagination->toArray(1, 2);

[
    ['page' => 1, 'isCurrent' => false],
    ['page' => null, 'isCurrent' => false],
    ['page' => 3, 'isCurrent' => false],
    ['page' => 4, 'isCurrent' => false],
    ['page' => 5, 'isCurrent' => true],
    ['page' => 6, 'isCurrent' => false],
    ['page' => 7, 'isCurrent' => false],
    ['page' => null, 'isCurrent' => false],
    ['page' => 20, 'isCurrent' => false]
]   

$pattern = new RegexPattern('[a-z]{3}', RegexPattern::CASE_INSENSITIVE);

if ($pattern->isValid()) {
    \preg_match((string) $pattern, 'aBc');  // 1
    $pattern->match('aBc');                 // true
}

$pattern = new RegexPattern('[a-z]{3}bind', 0, array('bind' => '.value'));
echo $pattern; // ~[a-z]{3}\.value~

$holidays = new Holidays();
$holidays[Holidays::goodFriday(2021)] = "Good Friday";
$holidays[Holidays::easterMonday(2021)] = "Easter Monday";
$holidays["2021-05-01"] = "May Day";

echo $holidays['2021-05-01']; // "May Day"

foreach ($holidays->toArray() as $date => $description) { 
    echo $date . ': ' . $description . '<br>';
}

$today = new \DateTime();
Calendar::isDayOff($today);
$prevWorkday = Calendar::prevWorkday($today);
$nextWorkday = Calendar::nextWorkday($today);
$lastDayOfPrevMonth = Calendar::lastDayOfPrevMonth($today);
$lastDayOfMonth = Calendar::lastDayOfMonth($today);

$holidays = new Holidays();
$holidays["2021-05-01"] = "May Day";

$today = new \DateTime();
Calendar::isDayOff($today, holidays);
$prevWorkday = Calendar::prevWorkday($today, holidays);
$nextWorkday = Calendar::nextWorkday($today, holidays);

LocalDateTime::setLocalTimeZone(new \DateTimeZone('Europe/Prague'));

$dateTimeStr = ' 2020-  07 - 06 T 13 :37 : 00 . 001337  + 02: 00 '; 
$normalizedDateTimeStr = LocalDateTime::normalize($dateTimeStr); // "2020-07-06T13:37:00.001337+02:00"

$localDateTime = LocalDateTime::parse($normalizedDateTimeStr);
$now = LocalDateTime::now();
$today = LocalDateTime::today();

$now->format(LocalDateTime::SQL_DATETIME)  // 'Y-m-d H:i:s' format